268fa1cbaf
This PR adds **internal** ability to run arbitrary language servers via WebAssembly extensions. The functionality isn't exposed yet - we're just landing this in this early state because there have been a lot of changes to the `LspAdapter` trait, and other language server logic. ## Next steps * Currently, wasm extensions can only define how to *install* and run a language server, they can't yet implement the other LSP adapter methods, such as formatting completion labels and workspace symbols. * We don't have an automatic way to install or develop these types of extensions * We don't have a way to package these types of extensions in our extensions repo, to make them available via our extensions API. * The Rust extension API crate, `zed-extension-api` has not yet been published to crates.io, because we still consider the API a work in progress. Release Notes: - N/A --------- Co-authored-by: Marshall <marshall@zed.dev> Co-authored-by: Nathan <nathan@zed.dev> Co-authored-by: Marshall Bowers <elliott.codes@gmail.com>
609 lines
23 KiB
Rust
609 lines
23 KiB
Rust
use client::telemetry::Telemetry;
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use editor::{Editor, EditorElement, EditorStyle};
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use extension::{ExtensionApiResponse, ExtensionStatus, ExtensionStore};
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use gpui::{
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actions, canvas, uniform_list, AnyElement, AppContext, AvailableSpace, EventEmitter,
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FocusableView, FontStyle, FontWeight, InteractiveElement, KeyContext, ParentElement, Render,
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Styled, Task, TextStyle, UniformListScrollHandle, View, ViewContext, VisualContext, WhiteSpace,
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WindowContext,
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};
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use settings::Settings;
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use std::time::Duration;
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use std::{ops::Range, sync::Arc};
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use theme::ThemeSettings;
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use ui::{prelude::*, ToggleButton, Tooltip};
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use workspace::{
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item::{Item, ItemEvent},
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Workspace, WorkspaceId,
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};
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actions!(zed, [Extensions]);
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pub fn init(cx: &mut AppContext) {
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cx.observe_new_views(move |workspace: &mut Workspace, _cx| {
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workspace.register_action(move |workspace, _: &Extensions, cx| {
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let extensions_page = ExtensionsPage::new(workspace, cx);
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workspace.add_item_to_active_pane(Box::new(extensions_page), cx)
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});
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})
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.detach();
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}
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#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy)]
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enum ExtensionFilter {
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All,
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Installed,
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NotInstalled,
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}
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pub struct ExtensionsPage {
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list: UniformListScrollHandle,
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telemetry: Arc<Telemetry>,
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is_fetching_extensions: bool,
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filter: ExtensionFilter,
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extension_entries: Vec<ExtensionApiResponse>,
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query_editor: View<Editor>,
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query_contains_error: bool,
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_subscription: gpui::Subscription,
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extension_fetch_task: Option<Task<()>>,
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}
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impl ExtensionsPage {
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pub fn new(workspace: &Workspace, cx: &mut ViewContext<Workspace>) -> View<Self> {
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cx.new_view(|cx: &mut ViewContext<Self>| {
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let store = ExtensionStore::global(cx);
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let subscription = cx.observe(&store, |_, _, cx| cx.notify());
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let query_editor = cx.new_view(|cx| {
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let mut input = Editor::single_line(cx);
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input.set_placeholder_text("Search extensions...", cx);
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input
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});
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cx.subscribe(&query_editor, Self::on_query_change).detach();
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let mut this = Self {
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list: UniformListScrollHandle::new(),
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telemetry: workspace.client().telemetry().clone(),
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is_fetching_extensions: false,
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filter: ExtensionFilter::All,
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extension_entries: Vec::new(),
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query_contains_error: false,
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extension_fetch_task: None,
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_subscription: subscription,
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query_editor,
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};
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this.fetch_extensions(None, cx);
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this
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})
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}
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fn filtered_extension_entries(&self, cx: &mut ViewContext<Self>) -> Vec<ExtensionApiResponse> {
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let extension_store = ExtensionStore::global(cx).read(cx);
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self.extension_entries
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.iter()
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.filter(|extension| match self.filter {
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ExtensionFilter::All => true,
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ExtensionFilter::Installed => {
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let status = extension_store.extension_status(&extension.id);
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matches!(status, ExtensionStatus::Installed(_))
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}
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ExtensionFilter::NotInstalled => {
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let status = extension_store.extension_status(&extension.id);
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matches!(status, ExtensionStatus::NotInstalled)
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}
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})
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.cloned()
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.collect::<Vec<_>>()
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}
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fn install_extension(
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&self,
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extension_id: Arc<str>,
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version: Arc<str>,
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cx: &mut ViewContext<Self>,
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) {
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ExtensionStore::global(cx).update(cx, |store, cx| {
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store.install_extension(extension_id, version, cx)
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});
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cx.notify();
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}
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fn uninstall_extension(&self, extension_id: Arc<str>, cx: &mut ViewContext<Self>) {
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ExtensionStore::global(cx)
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.update(cx, |store, cx| store.uninstall_extension(extension_id, cx));
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cx.notify();
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}
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fn fetch_extensions(&mut self, search: Option<&str>, cx: &mut ViewContext<Self>) {
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self.is_fetching_extensions = true;
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cx.notify();
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let extensions =
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ExtensionStore::global(cx).update(cx, |store, cx| store.fetch_extensions(search, cx));
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cx.spawn(move |this, mut cx| async move {
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let fetch_result = extensions.await;
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match fetch_result {
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Ok(extensions) => this.update(&mut cx, |this, cx| {
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this.extension_entries = extensions;
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this.is_fetching_extensions = false;
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cx.notify();
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}),
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Err(err) => {
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this.update(&mut cx, |this, cx| {
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this.is_fetching_extensions = false;
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cx.notify();
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})
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.ok();
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Err(err)
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}
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}
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})
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.detach_and_log_err(cx);
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}
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fn render_extensions(&mut self, range: Range<usize>, cx: &mut ViewContext<Self>) -> Vec<Div> {
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self.filtered_extension_entries(cx)[range]
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.iter()
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.map(|extension| self.render_entry(extension, cx))
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.collect()
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}
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fn render_entry(&self, extension: &ExtensionApiResponse, cx: &mut ViewContext<Self>) -> Div {
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let status = ExtensionStore::global(cx)
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.read(cx)
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.extension_status(&extension.id);
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let upgrade_button = match status.clone() {
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ExtensionStatus::NotInstalled
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| ExtensionStatus::Installing
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| ExtensionStatus::Removing => None,
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ExtensionStatus::Installed(installed_version) => {
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if installed_version != extension.version {
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Some(
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Button::new(
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SharedString::from(format!("upgrade-{}", extension.id)),
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"Upgrade",
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)
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.on_click(cx.listener({
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let extension_id = extension.id.clone();
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let version = extension.version.clone();
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move |this, _, cx| {
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this.telemetry
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.report_app_event("extensions: install extension".to_string());
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this.install_extension(extension_id.clone(), version.clone(), cx);
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}
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}))
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.color(Color::Accent),
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)
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} else {
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None
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}
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}
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ExtensionStatus::Upgrading => Some(
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Button::new(
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SharedString::from(format!("upgrade-{}", extension.id)),
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"Upgrade",
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)
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.color(Color::Accent)
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.disabled(true),
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),
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};
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let install_or_uninstall_button = match status {
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ExtensionStatus::NotInstalled | ExtensionStatus::Installing => Button::new(
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SharedString::from(extension.id.clone()),
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if status.is_installing() {
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"Installing..."
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} else {
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"Install"
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},
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)
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.on_click(cx.listener({
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let extension_id = extension.id.clone();
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let version = extension.version.clone();
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move |this, _, cx| {
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this.telemetry
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.report_app_event("extensions: install extension".to_string());
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this.install_extension(extension_id.clone(), version.clone(), cx);
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}
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}))
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.disabled(status.is_installing()),
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ExtensionStatus::Installed(_)
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| ExtensionStatus::Upgrading
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| ExtensionStatus::Removing => Button::new(
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SharedString::from(extension.id.clone()),
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if status.is_upgrading() {
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"Upgrading..."
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} else if status.is_removing() {
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"Removing..."
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} else {
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"Uninstall"
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},
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)
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.on_click(cx.listener({
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let extension_id = extension.id.clone();
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move |this, _, cx| {
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this.telemetry
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.report_app_event("extensions: uninstall extension".to_string());
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this.uninstall_extension(extension_id.clone(), cx);
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}
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}))
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.disabled(matches!(
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status,
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ExtensionStatus::Upgrading | ExtensionStatus::Removing
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)),
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}
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.color(Color::Accent);
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let repository_url = extension.repository.clone();
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let tooltip_text = Tooltip::text(repository_url.clone(), cx);
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div().w_full().child(
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v_flex()
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.w_full()
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.h(rems(7.))
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.p_3()
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.mt_4()
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.gap_2()
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.bg(cx.theme().colors().elevated_surface_background)
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.border_1()
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.border_color(cx.theme().colors().border)
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.rounded_md()
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.child(
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h_flex()
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.justify_between()
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.child(
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h_flex()
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.gap_2()
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.items_end()
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.child(
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Headline::new(extension.name.clone())
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.size(HeadlineSize::Medium),
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)
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.child(
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Headline::new(format!("v{}", extension.version))
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.size(HeadlineSize::XSmall),
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),
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)
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.child(
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h_flex()
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.gap_2()
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.justify_between()
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.children(upgrade_button)
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.child(install_or_uninstall_button),
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),
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)
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.child(
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h_flex()
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.justify_between()
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.child(
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Label::new(format!(
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"{}: {}",
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if extension.authors.len() > 1 {
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"Authors"
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} else {
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"Author"
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},
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extension.authors.join(", ")
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))
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.size(LabelSize::Small),
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)
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.child(
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Label::new(format!("Downloads: {}", extension.download_count))
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.size(LabelSize::Small),
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),
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)
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.child(
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h_flex()
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.justify_between()
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.children(extension.description.as_ref().map(|description| {
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Label::new(description.clone())
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.size(LabelSize::Small)
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.color(Color::Default)
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}))
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.child(
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IconButton::new(
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SharedString::from(format!("repository-{}", extension.id)),
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IconName::Github,
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)
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.icon_color(Color::Accent)
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.icon_size(IconSize::Small)
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.style(ButtonStyle::Filled)
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.on_click(cx.listener(move |_, _, cx| {
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cx.open_url(&repository_url);
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}))
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.tooltip(move |_| tooltip_text.clone()),
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),
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),
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)
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}
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fn render_search(&self, cx: &mut ViewContext<Self>) -> Div {
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let mut key_context = KeyContext::default();
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key_context.add("BufferSearchBar");
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let editor_border = if self.query_contains_error {
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Color::Error.color(cx)
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} else {
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cx.theme().colors().border
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};
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h_flex()
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.w_full()
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.gap_2()
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.key_context(key_context)
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// .capture_action(cx.listener(Self::tab))
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// .on_action(cx.listener(Self::dismiss))
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.child(
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h_flex()
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.flex_1()
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.px_2()
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.py_1()
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.gap_2()
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.border_1()
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.border_color(editor_border)
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.min_w(rems(384. / 16.))
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.rounded_lg()
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.child(Icon::new(IconName::MagnifyingGlass))
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.child(self.render_text_input(&self.query_editor, cx)),
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)
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}
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fn render_text_input(&self, editor: &View<Editor>, cx: &ViewContext<Self>) -> impl IntoElement {
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let settings = ThemeSettings::get_global(cx);
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let text_style = TextStyle {
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color: if editor.read(cx).read_only(cx) {
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cx.theme().colors().text_disabled
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} else {
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cx.theme().colors().text
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},
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font_family: settings.ui_font.family.clone(),
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font_features: settings.ui_font.features,
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font_size: rems(0.875).into(),
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font_weight: FontWeight::NORMAL,
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font_style: FontStyle::Normal,
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line_height: relative(1.3).into(),
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background_color: None,
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underline: None,
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strikethrough: None,
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white_space: WhiteSpace::Normal,
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};
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EditorElement::new(
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&editor,
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EditorStyle {
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background: cx.theme().colors().editor_background,
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local_player: cx.theme().players().local(),
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text: text_style,
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..Default::default()
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},
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)
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}
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fn on_query_change(
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&mut self,
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_: View<Editor>,
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event: &editor::EditorEvent,
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cx: &mut ViewContext<Self>,
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) {
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if let editor::EditorEvent::Edited = event {
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self.query_contains_error = false;
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self.extension_fetch_task = Some(cx.spawn(|this, mut cx| async move {
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let search = this
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.update(&mut cx, |this, cx| this.search_query(cx))
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.ok()
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.flatten();
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// Only debounce the fetching of extensions if we have a search
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// query.
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//
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// If the search was just cleared then we can just reload the list
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// of extensions without a debounce, which allows us to avoid seeing
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// an intermittent flash of a "no extensions" state.
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if let Some(_) = search {
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cx.background_executor()
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.timer(Duration::from_millis(250))
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.await;
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};
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this.update(&mut cx, |this, cx| {
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this.fetch_extensions(search.as_deref(), cx);
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})
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.ok();
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}));
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}
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}
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pub fn search_query(&self, cx: &WindowContext) -> Option<String> {
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let search = self.query_editor.read(cx).text(cx);
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if search.trim().is_empty() {
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None
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} else {
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Some(search)
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}
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}
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fn render_empty_state(&self, cx: &mut ViewContext<Self>) -> impl IntoElement {
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let has_search = self.search_query(cx).is_some();
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let message = if self.is_fetching_extensions {
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"Loading extensions..."
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} else {
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match self.filter {
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ExtensionFilter::All => {
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if has_search {
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"No extensions that match your search."
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} else {
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"No extensions."
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}
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}
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ExtensionFilter::Installed => {
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if has_search {
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"No installed extensions that match your search."
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} else {
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"No installed extensions."
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}
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}
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ExtensionFilter::NotInstalled => {
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if has_search {
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"No not installed extensions that match your search."
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} else {
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"No not installed extensions."
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}
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}
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}
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};
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Label::new(message)
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}
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}
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impl Render for ExtensionsPage {
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fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
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v_flex()
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.size_full()
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.bg(cx.theme().colors().editor_background)
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.child(
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v_flex()
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.gap_4()
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.p_4()
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.border_b()
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.border_color(cx.theme().colors().border)
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.bg(cx.theme().colors().editor_background)
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.child(
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h_flex()
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.w_full()
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.child(Headline::new("Extensions").size(HeadlineSize::XLarge)),
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)
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.child(
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h_flex()
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.w_full()
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.gap_2()
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.justify_between()
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.child(h_flex().child(self.render_search(cx)))
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.child(
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h_flex()
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.child(
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ToggleButton::new("filter-all", "All")
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.style(ButtonStyle::Filled)
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.size(ButtonSize::Large)
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.selected(self.filter == ExtensionFilter::All)
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.on_click(cx.listener(|this, _event, _cx| {
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this.filter = ExtensionFilter::All;
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}))
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.tooltip(move |cx| {
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Tooltip::text("Show all extensions", cx)
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})
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.first(),
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)
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.child(
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ToggleButton::new("filter-installed", "Installed")
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.style(ButtonStyle::Filled)
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.size(ButtonSize::Large)
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.selected(self.filter == ExtensionFilter::Installed)
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.on_click(cx.listener(|this, _event, _cx| {
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this.filter = ExtensionFilter::Installed;
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}))
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.tooltip(move |cx| {
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Tooltip::text("Show installed extensions", cx)
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})
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.middle(),
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)
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.child(
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ToggleButton::new("filter-not-installed", "Not Installed")
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.style(ButtonStyle::Filled)
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.size(ButtonSize::Large)
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.selected(self.filter == ExtensionFilter::NotInstalled)
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.on_click(cx.listener(|this, _event, _cx| {
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this.filter = ExtensionFilter::NotInstalled;
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}))
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.tooltip(move |cx| {
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Tooltip::text("Show not installed extensions", cx)
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})
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.last(),
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),
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),
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),
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)
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.child(v_flex().px_4().size_full().overflow_y_hidden().map(|this| {
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let entries = self.filtered_extension_entries(cx);
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if entries.is_empty() {
|
|
return this.py_4().child(self.render_empty_state(cx));
|
|
}
|
|
|
|
this.child(
|
|
canvas({
|
|
let view = cx.view().clone();
|
|
let scroll_handle = self.list.clone();
|
|
let item_count = entries.len();
|
|
move |bounds, cx| {
|
|
uniform_list::<_, Div, _>(
|
|
view,
|
|
"entries",
|
|
item_count,
|
|
Self::render_extensions,
|
|
)
|
|
.size_full()
|
|
.pb_4()
|
|
.track_scroll(scroll_handle)
|
|
.into_any_element()
|
|
.draw(
|
|
bounds.origin,
|
|
bounds.size.map(AvailableSpace::Definite),
|
|
cx,
|
|
)
|
|
}
|
|
})
|
|
.size_full(),
|
|
)
|
|
}))
|
|
}
|
|
}
|
|
|
|
impl EventEmitter<ItemEvent> for ExtensionsPage {}
|
|
|
|
impl FocusableView for ExtensionsPage {
|
|
fn focus_handle(&self, cx: &AppContext) -> gpui::FocusHandle {
|
|
self.query_editor.read(cx).focus_handle(cx)
|
|
}
|
|
}
|
|
|
|
impl Item for ExtensionsPage {
|
|
type Event = ItemEvent;
|
|
|
|
fn tab_content(&self, _: Option<usize>, selected: bool, _: &WindowContext) -> AnyElement {
|
|
Label::new("Extensions")
|
|
.color(if selected {
|
|
Color::Default
|
|
} else {
|
|
Color::Muted
|
|
})
|
|
.into_any_element()
|
|
}
|
|
|
|
fn telemetry_event_text(&self) -> Option<&'static str> {
|
|
Some("extensions page")
|
|
}
|
|
|
|
fn show_toolbar(&self) -> bool {
|
|
false
|
|
}
|
|
|
|
fn clone_on_split(
|
|
&self,
|
|
_workspace_id: WorkspaceId,
|
|
_: &mut ViewContext<Self>,
|
|
) -> Option<View<Self>> {
|
|
None
|
|
}
|
|
|
|
fn to_item_events(event: &Self::Event, mut f: impl FnMut(workspace::item::ItemEvent)) {
|
|
f(*event)
|
|
}
|
|
}
|